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Table i <br /> HISTORICAL GROUNDWATER ANALYTICAL RESULTS AND MONITORING DATA <br /> CHEVRON SERVICE STATION#9-4275 <br /> 2905 WEST BENJAMIN HOLT DRIVE,STOCKTON,CALIFORNIA <br /> WEE 1.p./ ETHYL- <br /> TOO ELEVAI"04 WMPLE BENZENE TOLUENE BENZENE XYLENES 1'PH�O pTW 8PT WT E <br /> pA b b teat feet fest <br /> MW-4 <br /> 261 03/22/69 NO NO NO ND NO 1629 000 -1348 <br /> 06/12/" NO NO ND NO NO 16,97 000 -14,16 <br /> 09/07/89 17 NO NO NO 170 1835 000 —1554 <br /> 1?/t8/89 ND NO NO NO NO 17,60 0.00 •-1499 <br /> 03/20/90 29 NO NO 09 85 1740 000 -1459 <br /> 07103/90 ND NO NO NO 93 180S 000 -1524 <br /> 10/19/90 NO 28 15 NO 73 1958 000 -16 77 <br /> 01/17191 NO ND NO ND 1501ft 1919 000 -1636 <br /> 03/19/91 NO ND NO NO 100 - - -- <br /> 07/1*91 ND NO ND NO 81 1905 000 -1624 <br /> 10/31/91 ND NO ND ND 180• 1952 000 -1671 <br /> 01/16182 NO NO 0.5 2.0 NO 18.82 000 -16.01 <br /> 03/11/92 -- -- -- - - 1790 000 -1509 <br /> 03/17/92 2.9 97 3 9,7 150 1778 0.00 --1497 <br /> 05/16/93 NO NO ND NO NO 1604 000 -1323 <br /> NO ND ND NO ND16831 0 00 -14 02 <br /> MW-5 <br /> 379 03/22/89 35 23 110 760 4,000 1718 000 -1339 <br /> 06112189 24 2 2 53 900 1780 0 00 -1401 <br /> 09/07/89 16 4 12 50 410 1911 000 -1532 <br /> 09/07189D 15 4 11 49 880 -- <br /> 12/18/89 24 22 100 590 2,900 1863 000 -1484 <br /> 03/20190 37 29 120 630 5,400 1819 0,00 --1440 <br /> 07/03/90 65 89 200 1,200 5,500 1943 000 —1564 <br /> 10/19190 55 82 190 1.100 5,800 2004 000 -1625 <br /> 01/17/91 25 51 140 830 4,900 1998 000 -1619 <br /> 03/19/9f is 24 21 790 6.800 - - - <br /> 07/18/91 s0 85 190 800 7,600 1972 000 -1593 <br /> 40/31/9f 44 24 64 310 2,600 2020 000 -1641 <br /> 01116192 120 72 250 1,000 5,400 1960 000 -1581 <br /> 01/16192D 1110 63 230 960 4.700 -- --03111/92 -- -- - -- - 1864 000 -1485 <br /> 03117192 37 13 52 170 1,100 1853 0 00 -1474 <br /> 05/18/93 58 10 170 190 2.000 1674 000 -1295 <br /> 32 4.6 50 100 750 17.55 0 00 -1376 <br /> MW-6 <br /> 143 03/11/92 -- -- -- - - 1699 0 00 -1556 <br /> 03117/92 63 23 370 57 3,900 1895 000 -1552 <br /> 05/18/93 NO 37 15 60 760 1518 000 -1375 <br /> 08/05/93 NO 7.7 39 1.6 1.300 1605 000 -1462 <br /> MW-7 <br /> 314 03111/92 -- - - -- -- 1724 000 -1410 <br /> 03/17/92 NO NO: NO NO NO 17.15 000 —1401 <br /> 05/18/93 NO NO NO NO ND 1566 0 00 —1252 <br /> NO. 1656 . 0,00 , -13 4 <br /> Page 2of2 <br /> EXPLANATION <br /> Well elevations given In feet above mean sea level D = Duplicate <br /> TOC=Top of casing NO = Not detected at or above method detection limit <br /> TPH—G-Tote!petroleum hydrocarbons—as—gasoline -- = Not anelyzed/not measured <br /> DTW= Depth to water ' = Does not match typical gasoline pattern <br /> SPT= Separate phase thickness NOTE See laboratory reports for method detection limas <br /> WTE -Water table elevation <br /> TAB1 wK1 <br /> rAX GROUNDWATER <br /> TECHNOLOGY <br />